Revert of [Mojo Video Capture] Adapt video_capture service to refactored video capture stack

services/video_capture/public/cpp/device_to_feedback_observer_adapter.h

Index: services/video_capture/public/cpp/device_to_feedback_observer_adapter.h
diff --git a/services/video_capture/public/cpp/device_to_feedback_observer_adapter.h b/services/video_capture/public/cpp/device_to_feedback_observer_adapter.h
deleted file mode 100644
index b35dab01d1701511cb2982cfd3f100a004cc5625..0000000000000000000000000000000000000000
--- a/services/video_capture/public/cpp/device_to_feedback_observer_adapter.h
+++ /dev/null
@@ -1,30 +0,0 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef SERVICES_VIDEO_CAPTURE_PUBLIC_CPP_DEVICE_TO_FEEDBACK_OBSERVER_ADAPTER_H_
-#define SERVICES_VIDEO_CAPTURE_PUBLIC_CPP_DEVICE_TO_FEEDBACK_OBSERVER_ADAPTER_H_
-
-#include "media/capture/video/video_capture_device.h"
-#include "services/video_capture/public/interfaces/device.mojom.h"
-
-namespace video_capture {
-
-// Adapter that allows a video_capture::mojom::Device to be used in place of
-// a media::VideoFrameConsumerFeedbackObserver
-class DeviceToFeedbackObserverAdapter
-    : public media::VideoFrameConsumerFeedbackObserver {
- public:
-  DeviceToFeedbackObserverAdapter(mojom::DevicePtr device);
-  ~DeviceToFeedbackObserverAdapter() override;
-
-  // media::VideoFrameConsumerFeedbackObserver:
-  void OnUtilizationReport(int frame_feedback_id, double utilization) override;
-
- private:
-  mojom::DevicePtr device_;
-};
-
-}  // namespace video_capture
-
-#endif  // SERVICES_VIDEO_CAPTURE_PUBLIC_CPP_DEVICE_TO_FEEDBACK_OBSERVER_ADAPTER_H_